Appendix D: Critical Values for Pearson’s r (Correlation Table)

Level of Significance for One-Tailed Test

.05

.025

.01

.005

Level of Significance for Two-Tailed Test

.10

.05

.02

.01

1

.988

.997

.9995

.9999

2

.900

.950

.980

.990

3

.805

.878

.934

.959

4

.729

.811

.882

.917

5

.669

.754

.833

.875

6

.621

.707

.789

.834

7

.582

.666

.750

.798

8

.549

.632

.715

.765

9

.521

.602

.685

.735

10

.497

.576

.658

.708

11

.476

.553

.634

.684

12

.458

.532

.612

.661

13

.441

.514

.592

.641

14

.426

.497

.574

.623

15

.412

.482

.558

.606

16

.400

.468

.543

.590

17

.389

.456

.529

.575

18

.378

.444

.516

.561

19

.369

.433

.503

.549

20

.360

.423

.492

.537

21

.352

.413

.482

.526

22

.344

.404

.472

.515

23

.337

.396

.462

.505

24

.330

.388

.453

.496

25

.323

.381

.445

.487

26

.317

.374

.437

.479

27

.311

.367

.430

.471

28

.306

.361

.423

.463

29

.301

.355

.416

.456

30

.296

.349

.409

.449

35

.275

.325

.381

.418

40

.257

.304

.358

.393

45

.243

.288

.338

.372

50

.231

.273

.322

.354

60

.211

.250

.295

.325

70

.195

.232

.274

.302

80

.183

.217

.257

.283

90

.173

.205

.242

.267

100

.164

.195

.230

.254

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Introduction to Statistics in the Psychological Sciences by Linda R. Cote Ph.D.; Rupa G. Gordon Ph.D.; Chrislyn E. Randell Ph.D.; Judy Schmitt; and Helena Marvin is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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